// unhook out and err while initializing logging or logger will print to them
PrintStream out = System.out;
PrintStream err = System.err;
try {
if (debug) {
Logging logging = Logging.initialize();
logging.configure(new LoggingConfiguration());
logging.setLevel("com.facebook.presto", Level.DEBUG);
}
else {
System.setOut(new PrintStream(nullOutputStream()));
System.setErr(new PrintStream(nullOutputStream()));
Logging logging = Logging.initialize();
logging.configure(new LoggingConfiguration());
logging.disableConsole();
}
}
catch (IOException e) {
throw Throwables.propagate(e);
}